{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["country of administrative divisions", "neighborhood of"], "input": "On Earth , the Arctic polar vortex is located over eastern North America in Canada and carries cold air to the northern Plains ."}
{"country of administrative divisions": [], "neighborhood of": []}